135331453 has 2 divisors, whose sum is σ = 135331454. Its totient is φ = 135331452.

The previous prime is 135331451. The next prime is 135331501. The reversal of 135331453 is 354133531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133934329 + 1397124 = 11573^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 135331453 - 2¹ = 135331451 is a prime.

Together with 135331451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135331451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67665726 + 67665727.

It is an arithmetic number, because the mean of its divisors is an integer number (67665727).

Almost surely, 2^135331453 is an apocalyptic number.

It is an amenable number.

135331453 is a deficient number, since it is larger than the sum of its proper divisors (1).

135331453 is an equidigital number, since it uses as much as digits as its factorization.

135331453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 28.

The square root of 135331453 is about 11633.2047605120. The cubic root of 135331453 is about 513.4122754383.

Adding to 135331453 its reverse (354133531), we get a palindrome (489464984).

The spelling of 135331453 in words is "one hundred thirty-five million, three hundred thirty-one thousand, four hundred fifty-three".